[請問] 浮力計算
請問若要使一個直徑3公分的保麗龍球沉在水裡 需要綁多重的鉛錘?
另外若要使相同直徑的保麗龍球和乒乓球沉在水裡
需要的重量會是一樣的嗎?
謝謝^^"
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這不是考試題目 只是要做飾品不知道要用多重的鉛錘
溫度跟純水這個就隨意就好XD
※ 編輯: initiate (175.182.175.5), 08/13/2016 18:11:34
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